Pollard, Harry <br/><br/>
Mathematical Introduction To Celestial Mechanics 
/by Harry Pollard 
 - New Jersey:  Prentice-Hall, Inc;  1966. 
 - 111p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>521  / POL/M